By making a cash donation to The Salvation Army, you are able to claim a charitable deduction of up to 50% of your adjusted gross income in the year you make the gift. If you cannot utilize the entire deduction in that year, deductions may be carried over for an additional five years.
Scientists learn about the layers deep within the Earth's crust by studying how seismic waves travel through the Earth.If there is an earthquake somewhere, seismagraphs in many locations will record it.
1 The temperature at Earthâs center may almost equal the temperature of the Sunâs surface. 2  c. The pressure at Earthâs center is millions of times greater than normal atmospheric pressure.  d. The calculated density at Earthâs center makes scientists almost certain the inner core is composed of gold.